2 years ago

The law of reflection says that the angle of incidence is

1 answer:

4 0

The law of reflection states that the angle of incidence is equal to the angle of reflection. Furthermore, the law of reflection states that the incident ray, the reflected ray and the normal all lie in the same plane.

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. A paper airplane of .025kg is falling at a rate 2m/s2. What is the amount of net force?

Pie

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 0.025 × 2

We have the final answer as

Hope this helps you

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2 years ago

An electromagnetic wave is traveling through free space. The amplitudes of the wave's electric and magnetic fields are E 0 E0 an

Sauron [17]

Answer:

B = Bo / 2

Explanation:

Magnesium and electric fields are related in an electromagnetic wave

E / B = c

If the electric field is halved the magnetic field must also be halved to meet the written equation

B = Bo / 2

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2 years ago

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If you toss a stick into the air, it appears to wobble all over the place. specifically, about what place does it wobble?

Otrada [13]

I would assume the end?

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2 years ago

A 6157 N piano is to be pushed up a(n) 2.41 m frictionless plank that makes an angle of 21.9 ◦ with the horizontal. Calculate th

xz_007 [3.2K]

Answer:

Work done, W = 5534.53 J

Explanation:

It is given that,

Force acting on the piano, F = 6157 N

It is pushed up a distance of 2.41 m friction less plank.

Let W is the work done in sliding the piano up the plank at a slow constant rate. It is given by :

$W=Fd\ sin\theta$

Since, $F=F\ sin\theta$ (in vertical direction)

$W=6157\times 2.41\ sin(21.9)$

W = 5534.53 J

So, the work done in sliding the piano up the plank is 5534.53 J. Hence, this is the required solution.

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2 years ago

Need help with this question.

mixas84 [53]

I would say the correct answer would be light travels faster in medium 3 then medium 2.

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